Minerals Center 对比 Stone Identifier Rock ID 的使用情况和统计数据

Stone Identifier Rock ID is an app that helps you identify stones by your images to determine what kind of stone it is in just a second. This app aims to satisfy your curiosity about crystals and stones around us. By using Stone Identifier Rock ID, you get: - Fast and accurate identification of a variety of rocks. - An outstanding photo identification accuracy rate. - An excellent resource for learning about rocks. - An user-friendly display with a well-organized design. - Quick record your geological findings. - Easy to create your own rock collection. Stone Identifier Rock ID Premium - Premium Yearly $39.99/year (auto-renewable) - Premium Weekly $3.99/week (auto-renewable) - Subscription auto-renew at the end of subscription period, unless cancelled 24-hours in advance prior to the end of the current period. The subscription fee is charged to your iTunes account at confirmation of purchase. You may manage your subscription and turn off auto-renewal by going to your Account Settings after purchase. Per Apple policy, no cancellation of the current subscription is allowed during active subscription period. Once purchased, refunds will not be provided for any unused portion of the term. Terms of use: https://sites.google.com/view/rockidentifierstoneid/terms-of-use Privacy policy: https://sites.google.com/view/rockidentifierstoneid/privacy-policy